A new iPhone app allows designers to check the sustainability of the materials they are considering using in new products, reports Wired.

Some time ago, a team of employees at Nike was given a special project: Cataloging the 75,000-some items found in the company’s vast materials library and giving them each a score based on their environmental impact and long-term sustainability. No one had really done anything like it before, and it ultimately took the team six years to complete. Now, you can flick through their findings on your iPhone … expand full story